CISA Issues Warning On Cyber Threats Targeting Water and Wastewater Systems

The U.S. Cybersecurity Infrastructure and Security Agency (CISA) on Thursday warned of ongoing ransomware attacks aimed at disrupting h2o and wastewater services (WWS), highlighting 5 incidents that happened among March 2019 and August 2021.

“This activity—which consists of attempts to compromise process integrity by using unauthorized access—threatens the capacity of WWS services to provide clean, potable drinking water to, and properly manage the wastewater of, their communities,” CISA, alongside with the Federal Bureau of Investigation (FBI), the Environmental Safety Company (EPA), and the Nationwide Security Company (NSA), mentioned in a joint bulletin.

Automatic GitHub Backups

Citing spear-phishing, out-of-date running techniques and software, and regulate program products running vulnerable firmware versions as the principal intrusion vectors, the agencies singled out 5 unique cyber attacks from 2019 to early 2021 focusing on the WWS Sector —

  • A previous personnel at Kansas-centered WWS facility unsuccessfully tried to remotely obtain a facility personal computer in March 2019 making use of qualifications that hadn’t been revoked
  • Compromise of data files and probable Makop ransomware noticed at a New Jersey-based mostly WWS facility in September 2020
  • An not known ransomware variant deployed in opposition to a Nevada-centered WWS facility in March 2021
  • Introducing ZuCaNo ransomware on to a Maine-based WWS facility’s wastewater SCADA personal computer in July 2021
  • A Ghost variant ransomware assault from a California-centered WWS facility in August 2021
Prevent Data Breaches

The advisory is notable in the wake of a February 2021 assault at a water treatment method facility in Oldsmar in which an intruder broke into a pc program and remotely altered a placing that considerably altered the concentrations of sodium hydroxide (NaOH) in the water offer, in advance of it was spotted by a plant operator, who immediately took steps to reverse the remotely issued command.

In addition to demanding multi-component authentication for all distant entry to the operational technologies (OT) community, the organizations have urged WWS facilities to restrict remote entry to only pertinent people, employ community segmentation amongst IT and OT networks to avert lateral movement, and incorporate qualities to failover to alternate regulate methods in the occasion of an attack.

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